CN204626680U - Generator room noise eliminating silencer - Google Patents
Generator room noise eliminating silencer Download PDFInfo
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- CN204626680U CN204626680U CN201520307027.5U CN201520307027U CN204626680U CN 204626680 U CN204626680 U CN 204626680U CN 201520307027 U CN201520307027 U CN 201520307027U CN 204626680 U CN204626680 U CN 204626680U
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- air intake
- air
- sound absorption
- labyrinth type
- noise eliminating
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Abstract
The utility model discloses a kind of generator room noise eliminating silencer, comprise wind inlet silencing device, air exhausting soundproofing device, body of wall silencing apparatus, wind inlet silencing device is connected with air exhausting soundproofing device by body of wall silencing apparatus, body of wall silencing apparatus comprises sound absorption wallboard (3), sound absorption door (8), soundproof door (9), wind inlet silencing device comprises air feed shutter window (1), labyrinth type air intake sound absorber (2), labyrinth type air intake sound absorber (2) comprises the absorbent treatment (12) connected successively, soundproof course (16), corrugated metal orifice plate (15), air exhausting soundproofing device comprises the generator (4) be linked in sequence successively, wind collecting unit (5), horn mouth formula expansion cavity (6), air-discharge silencer (7), air draft shutter (19), the side, bottom of sound absorption wallboard (3) is respectively equipped with sound absorption door (8) and soundproof door (9).
Description
Technical field
The utility model relates to a kind of silencing apparatus, especially a kind of generator room noise eliminating silencer.
Background technology
At present, China Mobile etc. need with generator to guarantee that signal tower does not cause communicating interrupt because of power failure.Generator is mostly diesel-driven generator, and the noise produced at work is very large, and Indoor measurement sound pressure level is on average up to 100 to 120 decibels, and this noise figure is higher than 15 to 35 decibels, country's " industrial enterprise's noise criteria requires ", and noise superscale is very high.In addition, because room noise is not easy decay, the noise that generator produces can cause serious noise pollution to working environment, the physiological health of noise nuisance staff and mental health, the more important thing is and have resident to live near commmunication company business hall, outdoor noise value, up to 90 decibels, brings grievous injury to the rest of resident and life; Therefore no matter from labour protection aspect with affect aspect to surrounding resident, being badly in need of one can will be low to moderate the efficient noise elimination denoising device meeting country's " standard of environmental noise of urban area " by generator noise.
Summary of the invention
The technical problems to be solved in the utility model is: provide a kind of generator room noise eliminating silencer, solves generator and sends very large noise problem at work.
For solving the problems of the technologies described above, technical solution adopted in the utility model is: this generator room noise eliminating silencer, comprise wind inlet silencing device, air exhausting soundproofing device, body of wall silencing apparatus, wind inlet silencing device is connected with air exhausting soundproofing device by body of wall silencing apparatus, body of wall silencing apparatus comprises sound absorption wallboard, sound absorption door, soundproof door, wind inlet silencing device comprises air feed shutter window, labyrinth type air intake sound absorber, labyrinth type air intake sound absorber, comprise absorbent treatment, soundproof course, corrugated metal orifice plate, air exhausting soundproofing device comprises the generator be linked in sequence successively, wind collecting unit, horn mouth formula expansion cavity, air-discharge silencer, air draft shutter, labyrinth type air intake sound absorber and air-discharge silencer comprise metal shell and are placed in the current divider be connected with it in metal shell, this current divider is positioned at the air intake of circular arc anechoic sheet, sound absorption door and soundproof door is respectively equipped with in the side, bottom of sound absorption wallboard, the wind entered from one end air intake goes out distinguished and admirable outflow from the other end again after generator room noise eliminating silencer.
Further, horn mouth formula expansion cavity, the deck of air-discharge silencer and labyrinth type air intake sound absorber comprises metal shell, centrifugally glass-wool, glass fabric and metal perforated plate;
Further, labyrinth type air intake sound absorber is three layer construction;
Further, the air intake anechoic sheet that labyrinth type air intake sound absorber comprises is two-sided waveform air intake anechoic sheet;
Further, the anechoic sheet structure in air exhausting soundproofing device is cross section is arc-shaped, and air intake is three-legged structure, and anechoic sheet four sides is orifice structure, and two sides are metal sheet;
Further, the material of sound absorption wallboard is glass fabric, super glass wool and rock wool.
The technique effect brought after implementing such scheme is: the noise reduction of the more traditional denoising device of noise reduction of this generator room noise eliminating silencer improves more than two times, average noise reduction is 35 to 45 decibels, and keeps generator turnover air quantity to be lost in the scope of permission.This generator room noise eliminating silencer has low noise, can improve working environment, ensure that safety in production.
Accompanying drawing explanation
Fig. 1 is the utility model generator room noise eliminating silencer structural representation;
Fig. 2 is labyrinth type air intake sound absorber sectional drawing of the present utility model;
Fig. 3 is air-discharge silencer sectional drawing of the present utility model;
Fig. 4 is two-sided waveform air intake anechoic sheet sectional drawing;
Fig. 5 is sound absorption wallboard sectional drawing.
Fig. 6 is sound absorption door sectional drawing.
Fig. 7 is soundproof door sectional drawing.
Fig. 8 is horn mouth formula expansion cavity top view.
1-air feed shutter window, 2-labyrinth type air intake sound absorber, 3-sound absorption wallboard, 4-generator, 5-wind collecting unit, 6-horn mouth formula expansion cavity, 7-air-discharge silencer, 8-absorbs sound door, 9-soundproof door, 10-two-sided waveform air intake anechoic sheet, 11-metal shell, 12-absorbent treatment, 14-circular arc anechoic sheet, 15-corrugated metal orifice plate, 16-soundproof course, 17-air intake, 18-goes out distinguished and admirable, 19-air draft shutter, 20-planar metal orifice plate.
Detailed description of the invention
Be described principle of the present utility model and feature below in conjunction with accompanying drawing, example, only for explaining the utility model, is not intended to limit scope of the present utility model.
According to Fig. 1-Fig. 8, generator room noise eliminating silencer comprises wind inlet silencing device, air exhausting soundproofing device, body of wall silencing apparatus, wind inlet silencing device is connected with air exhausting soundproofing device by body of wall silencing apparatus, body of wall silencing apparatus comprises sound absorption wallboard 3, sound absorption door 8, soundproof door 9, wind inlet silencing device comprises air feed shutter window 1, labyrinth type air intake sound absorber 2, labyrinth type air intake sound absorber 2 comprises absorbent treatment 12, soundproof course 16, corrugated metal orifice plate 15, air exhausting soundproofing device comprises the generator 4 be linked in sequence successively, wind collecting unit 5, horn mouth formula expansion cavity 6, air-discharge silencer 7, air draft shutter 19, labyrinth type air intake sound absorber 2 and air-discharge silencer 7 comprise metal shell 11 and are placed in the current divider be connected with it in metal shell 11, current divider is positioned at the air intake of circular arc anechoic sheet 14, sound absorption door 8 and soundproof door 9 is respectively equipped with in the side, bottom of sound absorption wallboard 3, the wind entered from one end air intake 17 goes out distinguished and admirable 18 outflows from the other end again after generator room noise eliminating silencer.
As preferred embodiment, horn mouth formula expansion cavity 6, the deck of air-discharge silencer 7 and labyrinth type air intake sound absorber 2 comprises metal shell 11, centrifugally glass-wool or glass fabric and metal perforated plate;
As preferred embodiment, labyrinth type air intake sound absorber 2 is three layer construction;
For preferred embodiment, the air intake anechoic sheet that labyrinth type air intake sound absorber 2 comprises is two-sided waveform air intake anechoic sheet 10;
As preferred embodiment, the anechoic sheet structure in air exhausting soundproofing device is cross section is arc-shaped, and air intake is three-legged structure, and anechoic sheet four sides is orifice structure, and two sides are metal sheet;
As preferred embodiment, the material of sound absorption wallboard 3 is glass fabric, super glass wool and rock wool.
Generator room noise eliminating silencer operating principle: utilize sound absorption, soundproof theory, the body of wall Felt with sound absorption, sound insulation is loaded onto at generator 4 body of wall, and generator air intake and wind outlet set up wind inlet silencing device and air-out muffler device and and wall connecting, generator 4 runs the pressure produced makes air intake 17 enter from air feed shutter window 1, labyrinth type air intake sound absorber 2, form discharge air flow 18 discharge via the wind collecting unit 5 that is flexible coupling, horn mouth formula expansion cavity 6, circular arc anechoic sheet 14, air draft shutter 19, distinguished and admirablely deliver to generator 4 by fresh; Simultaneously generator 4 run the noise that produces also absorb by noise elimination structure in above-mentioned sound absorption wallboard, labyrinth type air intake sound absorber 2, wind collecting unit 5, horn mouth formula expansion cavity 6, bend chamber, noise sound is significantly reduced, make acoustic energy be converted into thermal energy consumption to fall, make body outwardly radiation mechanical noise reduce, realize effect of noise reduction.
The installation process of generator room noise eliminating silencer is: Felt is fixing on the wall by upper and lower U-type groove, then labyrinth type air intake sound absorber 2 is fixed on body of wall by angle bar and screw, again air-discharge silencer 7 one end is fixed in wall hole that body of wall stays, the other end is connected with horn mouth formula expansion cavity 6 by forked tail filament, horn mouth formula expansion cavity 6 makes wind collecting unit 5 and generator 4 body be fixed together by being flexible coupling, silencing apparatus is just in and treats duty, as long as open generator 4 oise-reducing means just carry out work.
Claims (6)
1. a generator room noise eliminating silencer, comprise wind inlet silencing device, air exhausting soundproofing device, body of wall silencing apparatus, it is characterized in that, described wind inlet silencing device is connected with air exhausting soundproofing device by body of wall silencing apparatus, body of wall silencing apparatus comprises sound absorption wallboard (3), sound absorption door (8), soundproof door (9), described wind inlet silencing device comprises air feed shutter window (1), labyrinth type air intake sound absorber (2), described labyrinth type air intake sound absorber (2) comprises the absorbent treatment (12) connected successively, soundproof course (16), corrugated metal orifice plate (15), described air exhausting soundproofing device comprises the generator (4) be linked in sequence successively, wind collecting unit (5), horn mouth formula expansion cavity (6), air-discharge silencer (7), air draft shutter (19), the current divider be connected with it that described labyrinth type air intake sound absorber (2) comprises metal shell (11) with air-discharge silencer (7) and is placed in metal shell (11), this current divider is positioned at the air intake of circular arc anechoic sheet (14), sound absorption door (8) and soundproof door (9) is respectively equipped with in the side, bottom of described sound absorption wallboard (3), the wind entered from one end air intake (17) goes out distinguished and admirable (18) outflow from the other end again after generator room noise eliminating silencer.
2. generator room noise eliminating silencer according to claim 1, it is characterized in that, described horn mouth formula expansion cavity (6), the deck of air-discharge silencer (7) and labyrinth type air intake sound absorber (2) comprises metal shell, centrifugally glass-wool, glass fabric and metal perforated plate.
3. generator room noise eliminating silencer according to claim 1 and 2, is characterized in that, described labyrinth type air intake sound absorber (2) is three layer construction.
4. generator room noise eliminating silencer according to claim 1 and 2, is characterized in that, the air intake anechoic sheet that described labyrinth type air intake sound absorber (2) comprises is two-sided waveform air intake anechoic sheet (10).
5. generator room noise eliminating silencer according to claim 1 and 2, is characterized in that, the anechoic sheet structure in described air exhausting soundproofing device is cross section is arc-shaped, and air intake is three-legged structure, and anechoic sheet four sides is orifice structure, and two sides are metal sheet.
6. generator room noise eliminating silencer according to claim 1 and 2, is characterized in that, the material of described sound absorption wallboard (3) is glass fabric, super glass wool and rock wool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520307027.5U CN204626680U (en) | 2015-05-06 | 2015-05-06 | Generator room noise eliminating silencer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520307027.5U CN204626680U (en) | 2015-05-06 | 2015-05-06 | Generator room noise eliminating silencer |
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| CN204626680U true CN204626680U (en) | 2015-09-09 |
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| CN201520307027.5U Active CN204626680U (en) | 2015-05-06 | 2015-05-06 | Generator room noise eliminating silencer |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105386617A (en) * | 2015-12-04 | 2016-03-09 | 华油飞达集团有限公司 | Movable silent generator room |
| CN106320562A (en) * | 2015-09-09 | 2017-01-11 | 无锡亮慧环保机械有限公司 | Noise control structure for machine room |
| CN106320547A (en) * | 2015-09-30 | 2017-01-11 | 无锡威胜环保设备制造有限公司 | Noise-reduction machine room housing provided with lateral sound insulation boards |
| CN107254919A (en) * | 2017-06-23 | 2017-10-17 | 王俊霞 | A kind of transformation station noise isolating mixer |
| CN109723244A (en) * | 2019-01-08 | 2019-05-07 | 深圳市兴派建筑工程有限公司 | Generators noise reduction construction method |
-
2015
- 2015-05-06 CN CN201520307027.5U patent/CN204626680U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106320562A (en) * | 2015-09-09 | 2017-01-11 | 无锡亮慧环保机械有限公司 | Noise control structure for machine room |
| CN106320547A (en) * | 2015-09-30 | 2017-01-11 | 无锡威胜环保设备制造有限公司 | Noise-reduction machine room housing provided with lateral sound insulation boards |
| CN105386617A (en) * | 2015-12-04 | 2016-03-09 | 华油飞达集团有限公司 | Movable silent generator room |
| CN107254919A (en) * | 2017-06-23 | 2017-10-17 | 王俊霞 | A kind of transformation station noise isolating mixer |
| CN109723244A (en) * | 2019-01-08 | 2019-05-07 | 深圳市兴派建筑工程有限公司 | Generators noise reduction construction method |
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